================================================================== BUG: KCSAN: data-race in can_receive / can_stat_update read to 0xffff88811f4259e8 of 8 bytes by interrupt on cpu 0: can_stat_update+0x481/0x6f0 net/can/proc.c:152 call_timer_fn+0x2e/0x240 kernel/time/timer.c:1474 expire_timers+0x116/0x240 kernel/time/timer.c:1519 __run_timers+0x350/0x400 kernel/time/timer.c:1790 run_timer_softirq+0x2e/0x60 kernel/time/timer.c:1803 __do_softirq+0x158/0x2e3 kernel/softirq.c:571 run_ksoftirqd+0x1f/0x30 kernel/softirq.c:934 smpboot_thread_fn+0x308/0x4a0 kernel/smpboot.c:164 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 read-write to 0xffff88811f4259e8 of 8 bytes by interrupt on cpu 1: can_receive+0x62/0x1f0 net/can/af_can.c:652 canfd_rcv+0x9e/0x170 net/can/af_can.c:722 __netif_receive_skb_one_core net/core/dev.c:5402 [inline] __netif_receive_skb+0x8b/0x1b0 net/core/dev.c:5516 process_backlog+0x23f/0x3b0 net/core/dev.c:5844 __napi_poll+0x65/0x390 net/core/dev.c:6410 napi_poll net/core/dev.c:6477 [inline] net_rx_action+0x29e/0x650 net/core/dev.c:6564 __do_softirq+0x158/0x2e3 kernel/softirq.c:571 run_ksoftirqd+0x1f/0x30 kernel/softirq.c:934 smpboot_thread_fn+0x308/0x4a0 kernel/smpboot.c:164 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 value changed: 0x00000000000032ca -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 5.18.0-syzkaller-02752-gfdaf9a5840ac-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ================================================================== sched: RT throttling activated